Sans Souci vs Sylvania

In both, most households own their home. In Sylvania, most homes are detached houses and about half of households are couple families. Houses cost more in Sans Souci: a median of $2.55 million, against $1.91 million in Sylvania, though rent is higher in Sylvania. Sans Souci is closer to the city centre: 21.3 km, against 25.4 km. On these figures, Sylvania tends to suit buyers on a tighter budget.

Which one suits you?

There is no overall winner — the suburb that suits a family with school-age kids is routinely the wrong one for someone commuting into the city. So each of these answers its own question, against a checklist you can see, using the same figures in the tables below.

Families with school-age kids

Sylvania

ahead on 2 of the 6 things we measure here

  • has more childcare (12 vs 9)
  • has more separate houses rather than flats (60% vs 49%)
  • But Sans Souci has more parks and reserves (16 vs 9)

Weighs schools, house stock, crime, parks, childcare, and who already lives there.

First-home buyers

Sylvania

ahead on the one thing that separates them

  • has cheaper houses ($1,905,000 vs $2,553,000)

Weighs house prices, unit prices, and mortgage stress.

Renters

Too close to call

Nothing among the 3 things we measure here separates them by enough to be worth acting on.

Weighs rent, rental stress, and how much is for rent.

Commuting to the city

Sans Souci

ahead on 2 of the 4 things we measure here

  • sits closer to the CBD (21.3 km vs 25.4 km)
  • has a shorter drive in (28 min vs 33 min)

Weighs distance, drive time, rail access, and walkability.

Downsizers and retirees

Sans Souci

ahead on 2 of the 5 things we measure here

  • has more GPs (4 vs 2)
  • has more units and townhouses to downsize into (51% vs 40%)

Weighs smaller dwellings, who already lives there, GPs, walkability, and crime.

Investors

Sylvania

ahead on the one thing that separates them

  • returns a higher gross yield on houses (4.1% vs 2.6%)

Weighs house yield, unit yield, and population growth.

Where they sit

Sans Souci and Sylvania drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.

Sans Souci Sylvania
Hides rows where both suburbs match

Bars start at zero. Scores, risks and rankings are drawn against their full 0–100 range; other rows are drawn in proportion to the larger of the two.

Side by side, out of 100

Risks are inverted — shown as safety and low exposure — so a longer bar always means better.

Sans Souci Sylvania
Walkability 83 / 86
Sans Souci — Walkability: 83/100 Sylvania — Walkability: 86/100
Safety 59 / 54
Sans Souci — Safety: 59/100 Sylvania — Safety: 54/100
Low fire risk 100 / 100
Sans Souci — Low fire risk: 100/100 Sylvania — Low fire risk: 100/100

Demographics

Sylvania skews older (46 vs 44).

Sans Souci Sylvania
Population 10,864
+1% vs other
 10,749
Population trend (2016 → 2021) +5.4% +2.6%
Median age 44 46
Median household income $96,876/yr $101,972/yr
+5% vs other
Median weekly rent $500/wk $530/wk
+6% vs other

Age profile

Share of residents in each band, 2021 Census.

Sans Souci Sylvania
0-4 5.5% / 4.8%
Sans Souci — 0-4: 5.5% Sylvania — 0-4: 4.8%
5-14 11.1% / 12.5%
Sans Souci — 5-14: 11.1% Sylvania — 5-14: 12.5%
15-19 5.7% / 5.8%
Sans Souci — 15-19: 5.7% Sylvania — 15-19: 5.8%
20-24 4.5% / 4.7%
Sans Souci — 20-24: 4.5% Sylvania — 20-24: 4.7%
25-34 10.5% / 8.5%
Sans Souci — 25-34: 10.5% Sylvania — 25-34: 8.5%
35-44 12.7% / 12.2%
Sans Souci — 35-44: 12.7% Sylvania — 35-44: 12.2%
45-54 14.5% / 14.0%
Sans Souci — 45-54: 14.5% Sylvania — 45-54: 14.0%
55-64 13.2% / 11.9%
Sans Souci — 55-64: 13.2% Sylvania — 55-64: 11.9%
65-74 11.0% / 10.8%
Sans Souci — 65-74: 11.0% Sylvania — 65-74: 10.8%
75-84 8.0% / 9.8%
Sans Souci — 75-84: 8.0% Sylvania — 75-84: 9.8%
85+ 3.3% / 5.1%
Sans Souci — 85+: 3.3% Sylvania — 85+: 5.1%

Bars are drawn against the largest share shown (14.5%).

Who lives together

Household composition, 2021 Census.

Sans Souci 43.4% couple families
Sans Souci — Couple Families: 43.4% Sans Souci — Lone Person: 37.8% Sans Souci — One Parent Families: 14.9% Sans Souci — Group Household: 2.5% Sans Souci — Other Families: 1.3%
Sylvania 49.3% couple families
Sylvania — Couple Families: 49.3% Sylvania — Lone Person: 32.3% Sylvania — One Parent Families: 15.5% Sylvania — Group Household: 1.9% Sylvania — Other Families: 1.0%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Sans Souci 27.5% renting
Sans Souci — Owned Outright: 41.3% Sans Souci — Mortgage: 31.2% Sans Souci — Renting: 27.5%
Sylvania 22.0% renting
Sylvania — Owned Outright: 43.0% Sylvania — Mortgage: 35.0% Sylvania — Renting: 22.0%
Owned outright Mortgage Renting

Where residents were born

Largest overseas birthplaces, as a share of all residents, 2021 Census. A dash means that country is not among the suburb's own eight largest.

Sans Souci Sylvania
Greece 4.4% / 1.8%
Sans Souci — Greece: 4.4% Sylvania — Greece: 1.8%
China 2.4% / 3.3%
Sans Souci — China: 2.4% Sylvania — China: 3.3%
England 1.6% / 2.5%
Sans Souci — England: 1.6% Sylvania — England: 2.5%
Egypt 2.0% / 1.3%
Sans Souci — Egypt: 2.0% Sylvania — Egypt: 1.3%
New Zealand 1.2% / 1.5%
Sans Souci — New Zealand: 1.2% Sylvania — New Zealand: 1.5%

Bars are drawn against the largest share shown (4.4%).

Qualifications

Highest non-school qualification, residents 15+, 2021 Census.

Sans Souci Sylvania
Bachelor Degree 15.0% / 14.0%
Sans Souci — Bachelor Degree: 15.0% Sylvania — Bachelor Degree: 14.0%
Certificate III & IV 11.2% / 12.4%
Sans Souci — Certificate III & IV: 11.2% Sylvania — Certificate III & IV: 12.4%
Advanced Diploma / Diploma 8.9% / 9.7%
Sans Souci — Advanced Diploma / Diploma: 8.9% Sylvania — Advanced Diploma / Diploma: 9.7%
Postgraduate Degree 4.6% / 4.6%
Sans Souci — Postgraduate Degree: 4.6% Sylvania — Postgraduate Degree: 4.6%
Graduate Diploma / Certificate 1.3% / 1.6%
Sans Souci — Graduate Diploma / Certificate: 1.3% Sylvania — Graduate Diploma / Certificate: 1.6%

Bars are drawn against the largest share shown (15.0%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Sans Souci 48.6% houses
Sans Souci — Houses: 48.6% Sans Souci — Townhouses: 30.1% Sans Souci — Flats / Apartments: 21.3%
Sylvania 59.8% houses
Sylvania — Houses: 59.8% Sylvania — Townhouses: 27.2% Sylvania — Flats / Apartments: 13.1%
Houses Townhouses Flats / Apartments

Property market

Sans Souci Sylvania
Median house price $2,553,000 $1,905,000
Median unit price $855,000 $833,750
Median land price —
same for both
Typical days to sell (houses) 25 days
from 93 sales
 26 days
from 102 sales

Unit price by bedroom count

Only bed counts both suburbs published enough sales for. Sale counts are shown because the buckets differ in depth.

Sans Souci Sylvania
2 bed $845K / $780K
Sans Souci — 2 bed: $845K (48 sales) Sylvania — 2 bed: $780K (30 sales)

48 vs 30 sales

3 bed $1.3M / $1.16M
Sans Souci — 3 bed: $1.3M (8 sales) Sylvania — 3 bed: $1.16M (6 sales)

8 vs 6 sales

House price by bedroom count

Only bed counts both suburbs published enough sales for. Sale counts are shown because the buckets differ in depth.

Sans Souci Sylvania
3 bed $2.3M / $1.65M
Sans Souci — 3 bed: $2.3M (43 sales) Sylvania — 3 bed: $1.65M (42 sales)

43 vs 42 sales

4 bed $2.8M / $1.95M
Sans Souci — 4 bed: $2.8M (33 sales) Sylvania — 4 bed: $1.95M (62 sales)

33 vs 62 sales

5 bed $3.49M / $2.33M
Sans Souci — 5 bed: $3.49M (22 sales) Sylvania — 5 bed: $2.33M (36 sales)

22 vs 36 sales

Zoning mix

Sylvania has more land zoned for conservation (17% vs 2%).

Sans Souci Sylvania
Residential 75% 67%
Environmental 2% 17%
Infrastructure and transport 13% 9%
Parks and recreation 9% 5%
Commercial 1% 2%
Planning zones cover 99% of Sans Souci and 100% of Sylvania. The rest is unzoned land such as water or road reserve.
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it. Zones as at 2026-09.

Development activity

Sans Souci Sylvania
New dwellings approved 857
across Bayside (NSW)
 1,449
across Sutherland
Approvals change year on year +98% +117%

Gross rental yield

Gross — before strata, rates, management, insurance and vacancy. From median advertised rents and median asking prices over the last 6 months. How we calculate.

Sans Souci Sylvania
Houses 2.6%
$960/wk on $1.95M
 4.1%
$1,300/wk on $1.66M
Units 4.2%
$700/wk on $874K
 4.3%
$700/wk on $850K

Ranking within NSW

Sans Souci Sylvania
House price Higher than 91% of NSW Higher than 84% of NSW
Income Higher than 64% of NSW Higher than 70% of NSW
Schools Higher than 62% of NSW Higher than 69% of NSW
Walkability Higher than 93% of NSW Higher than 95% of NSW
Affordability Higher than 7% of NSW Higher than 20% of NSW
EV adoption Higher than 87% of NSW Higher than 91% of NSW
NBN connectivity Higher than 92% of NSW Higher than 81% of NSW
Rental yield (houses) Higher than 8% of NSW Higher than 76% of NSW
Rental yield (units) Higher than 29% of NSW Higher than 36% of NSW

Liveability

Sans Souci Sylvania
Grade A
same for both
Score 76/100 77/100
Socio-economic band very advantaged area
decile 9/10
same for both

Risk profile

Sans Souci Sylvania
Bushfire None
0/100
same for both
Crime Moderate
41/100
 Moderate
46/100
Flood Not mapped
no mapped data here
same for both
Coastal erosion Moderate
43/100
 None
0/100
Aircraft noise None
0/100
same for both
Industrial facilities nearby 3
within 5 km
 0
within 5 km

Schools

Sans Souci Sylvania
Inside the suburb 3
same for both
Rated above peers 1
same for both
Rated at peers 0 2
Rated below peers 1 0

Schools in Sans Souci

  • St Finbar's Catholic Primary School Sans Souci Catholic · Primary above peers
  • Sans Souci Public School Government · Primary below peers
  • St George Christian School (Infants) Independent · Primary

Schools in Sylvania

  • Sylvania Public School Government · Primary above peers
  • Sylvania Heights Public School Government · Primary at peers
  • Sylvania High School Government · Secondary at peers

Amenities in the suburb

Sans Souci Sylvania
Supermarkets 1 2
Cafes & restaurants 3 0
Parks & reserves 16 9
Childcare 9 12
GPs 4 2
Pharmacies 3 2
Banks & Bank@Post 1 4
Waterways 1 2

Mobility

Sylvania sits further from the CBD (25.4 km vs 21.3 km).

Sans Souci Sylvania
Walkability score 83/100 86/100
Distance to Sydney 21.3 km 25.4 km
+19% vs other
Drive time (normal traffic) 28 min 33 min
Public transport score 79/100
Bus
same for both
Peak arrivals per hour 208.5
7-9am + 5-7pm
 135.5
7-9am + 5-7pm
Median peak wait 0 min
scheduled, not actual
same for both
Electric vehicle share 1.4%
postcode 2219
 1.6%
postcode 2224
Rooftop solar per 100 dwellings 17
postcode 2219
 25
postcode 2224

How people get to work

Method of travel on census day 2021 — which fell during COVID restrictions, so working from home is inflated and every travel mode understated.

Sans Souci Sylvania
Car (driver) 49.6% / 50.4%
Sans Souci — Car (driver): 49.6% Sylvania — Car (driver): 50.4%
Worked from Home 41.5% / 42.0%
Sans Souci — Worked from Home: 41.5% Sylvania — Worked from Home: 42.0%
Car (passenger) 3.3% / 3.3%
Sans Souci — Car (passenger): 3.3% Sylvania — Car (passenger): 3.3%
Train 2.2% / 2.0%
Sans Souci — Train: 2.2% Sylvania — Train: 2.0%
Walked Only 1.7% / 1.7%
Sans Souci — Walked Only: 1.7% Sylvania — Walked Only: 1.7%

Bars are drawn against the largest share shown (50.4%).

Setting

Sans Souci Sylvania
Elevation 5 m
above sea level, at the suburb centre
 19 m
above sea level, at the suburb centre
Distance to the ocean 912 m
3.0 km to a named beach
 2.2 km

NBN connectivity

Sans Souci Sylvania
Connectivity score 86/100 74/100
Most common technology Fibre to the curb Hybrid fibre-coaxial
Full-fibre (FTTP) share 34%
4,994 premises
 1%
4,959 premises

Climate

Sans Souci Sylvania
Annual rainfall 1,129 mm
same for both
Summer max (Jan) 27.5°C
same for both
Winter min (Jul) 9.5°C
same for both

Air quality (annual mean)

Sans Souci Sylvania
PM2.5 6.5 µg/m³
same for both
PM10 16.1 µg/m³
same for both
NO₂ 0.79 pphm
same for both

Council rates

Sans Souci Sylvania
Average residential rate $1,217/yr $1,552/yr
Council Bayside (NSW) Sutherland

Federal electorate

Sans Souci Sylvania
Division Cook
same for both
Member Simon Kennedy
same for both
Party Liberal
same for both

First Home Owner Grant

Sans Souci Sylvania
Grant amount $10,000
same for both
Property price cap $600,000
same for both
Eligibility New
same for both

Tags

Sans Souci

Coastal Middle-Ring Multicultural Parks Premium Townhouses Urban

Sylvania

Coastal Middle-Ring Parks Premium Retirees River Townhouses Urban

More comparisons

Other comparisons with Sans Souci

Sans Souci vs Blakehurst Sans Souci vs Beverley Park Sans Souci vs Kogarah Bay Sans Souci vs Taren Point Sans Souci vs Ramsgate Beach Sans Souci vs Dolls Point

Other comparisons with Sylvania

Sylvania vs Miranda Sylvania vs Gymea Sylvania vs Blakehurst Sylvania vs Oyster Bay Sylvania vs Kareela Sylvania vs Sylvania Waters
Full data on Sans Souci Full data on Sylvania
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Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.

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